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Name	Size	Permission
HISTORY.md	605 B	-rw-r--r--
LICENSE	1.05 KB	-rw-r--r--
README.md	432 B	-rw-r--r--
index.js	1.04 KB	-rw-r--r--
package.json	223 B	-rw-r--r--

Code Editor : index.js

/**
 * Module dependencies
 */

var crypto = require('crypto');

/**
 * 62 characters in the ascii range that can be used in URLs without special
 * encoding.
 */
var UIDCHARS = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789';

/**
 * Make a Buffer into a string ready for use in URLs
 *
 * @param {String} bytes a Buffer containing the bytes to convert
 * @returns {String} UID
 * @api private
 */
function tostr(bytes) {
  var r, i;

r = [];
  for (i = 0; i < bytes.length; i++) {
    r.push(UIDCHARS[bytes[i] % UIDCHARS.length]);
  }

return r.join('');
}

/**
 * Generate an Unique Id
 *
 * @param {Number} length  The number of chars of the uid
 * @param {Number} cb (optional)  Callback for async uid generation
 * @api public
 */

function uid(length, cb) {

if (typeof cb === 'undefined') {
    return tostr(crypto.pseudoRandomBytes(length));
  } else {
    crypto.pseudoRandomBytes(length, function(err, bytes) {
       if (err) return cb(err);
       cb(null, tostr(bytes));
    })
  }
}

/**
 * Exports
 */

module.exports = uid;

Urban Research Lab

The Urban Research Lab (URL) at IIIT-Delhi was established in 2020, during a time when the pandemic brought the complexities of urban life more visible than ever. What started as an initiative by faculty and students has grown into a collaborative space for critically exploring and reimagining the urban questions through research, dialogue, and interdisciplinary engagement.

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Code Editor : index.js

Urban Research Lab